The 132-4389 Piston Ring Groove Gauge Gp is available to check the top ring groove in the piston. Refer to the instruction card with the tool for the correct use of the 132-4389 Piston Ring Groove Gauge Gp .
Refer to Guideline for Reusable Parts, SEBF8049, “Visual Inspection of the Piston” and Guideline for Reusable Parts, SEBF8051, “Inspection and Measuring Procedures for Piston Pins”.
